The lit device thrown during a clash of protests outside Gracie Mansion, the official residence of Mayor Zohran Mamdani, was in fact an “improvised explosive device,” NYPD Commissioner Jessica Tisch said Sunday.

The NYPD said the device thrown outside Mayor Zohran Mamdani's residence was an "improvised explosive device" capable of causing serious harm.

Two Pennsylvania teenagers were arrested on Saturday after an explosive device was thrown near the mayor of New York City’s official residence in Manhattan. Ibrahim Kayumi, 19, of Newtown, and Emir Balat,

Two teens accused of trying to ignite homemade explosive devices at a protest outside Gracie Mansion over the weekend expressed support for ISIS after their arrest, according to a criminal complaint released Monday.

The Gracie Mansion counterprotesters accused of throwing IEDs were inspired by the Islamic State terror group and wanted to cause more carnage than the Boston Marathon bombing, federal

The throwing of an improvised explosive device near New York City Mayor Zohran Mamdani’s residence during weekend protests is being investigated as an act of "ISIS-inspired terrorism," the city’s poli